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Individual Calculations August 2019 |
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| Whitehead, Mark A Total change: 13.20 | |   |
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| 16th South Wales International Open | Bridgend | WLS | 2019-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1887 | 4.00 | 9 | 0.12 | 20 | 2.40 | |
|  Arkell, Keith C | g | | 2287 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Robertson, Jim | | | 1580 | SCO | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Pleasants, Allan J | | | 2049 | WLS | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Murphy, Conor E | f | | 2287 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Davies, Sam | | | 1705 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Williams, Ron | | | 1644 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Davis, Lee | | | 1937 | WLS | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Wilks, Simon | | | 2065 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Cannon, Richard J | | | 2013 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 22nd 4NCL Congress Major | Telford | ENG | 2019-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1887 | 4.00 | 5 | 0.54 | 20 | 10.80 | |
| | Morgans, Justin | | | 1639 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Procter, Colin S | | | 1776 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Zhu, Hou Ning | | | 1487 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Goodwin, Ed H | | | 1825 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Hilton, Tim | | | 1892 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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